Assessment of the Value of Scintigraphic Procedures: A Case Study
Over the past 15 years, nuclear medicine techniques have grown at nearly a logarithmic rate. In view of increasing concern over rising health care expenditures, the proper evaluation of new scintigraphic tests becomes increasingly important. In this context “proper evaluation” must be clearly defined so that accurate quantification of results is possible. Any overall evaluation of new scintigraphic procedures rests first upon evaluation of improvements in diagnostic accuracy, that is, the sensitivity and specificity of the test, and then upon evaluation of the impact of these improvements on health outcomes. The first point can be approached directly through studies designed to assess the ability of a test to detect patients with disease and to separate them from patients without disease or with other diseases. The second point is more difficult because it requires selection of an appropriate measure for assessing health outcomes.
KeywordsSurvival Characteristic Patient Attitude Risk Averse Operable Patient Bronchogenic Carcinoma
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